Process Control and Instrumentation Small furnace draught is accurately measured by an inclined tube manometer, in which the manometric liquid used most commonly is Ethylene glycol Paraffin Water Carbon tetrachloride Ethylene glycol Paraffin Water Carbon tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low flash point High viscosity index Low electrical conductivity Low thermal conductivity Low flash point High viscosity index Low electrical conductivity Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Either A, B or C Platinum-platinum+rhodium Chromel-alumel Iron-constantan Either A, B or C Platinum-platinum+rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Emission spectroscopy Polarimetry Electrical conductivity Dielectric constant end loss factor Emission spectroscopy Polarimetry Electrical conductivity Dielectric constant end loss factor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury manometer (U-tube type) exemplifies a __________ order system. Third First Second Zero Third First Second Zero ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube Filling nitrogen under pressure in the stem Accounting for the tube expansion Increasing the diameter of the tube Using steel tube in place of glass tube ANSWER DOWNLOAD EXAMIANS APP